Button and key of electronic products, all kinds of single key and sheet key.

Physical PropertiesMeasuring EquipmentTest MethodUnitData
Model   NJ-LSR2140NJ-LSR2145NJ-LSR2088
Application   Normal KeyNormal KeyLong Life Key
Appearance   SubtransparnetSubtransparnetSubtransparnet
ViscosityViscometer mPa.s80,00080,00080,000
Shore HardnessShore DurometerGB/T 531.1-2008A0404343
Tensile StrengthElectronic Tension TesterGB/T 528-2009Mpa5.55.57
Elongation At BreakElectronic Tension TesterGB/T 528-2009%320300350
Tear Strength
Die B
Electronic Tension TesterGB/T 529-2008KN/m121215
Mixing Ratio1:1 weight mixing.
Test ConditionMold temperature 120℃,cured time 5 minutes.
Package20Kg/Pail, 200Kg/Drum.
Room temperature less than 30℃, do not contact water, avoid sun exposure.
Expiry Date12 months,finish within 6 months is the best.